Build errors upgrading from 5.3.1 to 5.4.3

Development Programming & Scripting C++
2

Trying this now:

Will update when the build is done.

EDIT: (2hrs later)
It’s still building, seems to take a lot of time this time around.

EDIT: (4hrs later)
Still building…

EDIT: (5hrs later)
Can’t even remember when a build took this long (only to hope it will be successful)